rename_chinese_numbers.py

import os
import sys

def rename_items_with_chinese_numerals(directory_path):
    """
    Renames files and subdirectories in the specified directory by replacing
    Chinese numerals (一, 二, 三, 四, 五, 六, 七, 八, 九) with their
    corresponding Arabic numerals (1, 2, 3, 4, 5, 6, 7, 8, 9).

    Args:
        directory_path (str): The path to the directory containing the items.
    """
    # Mapping from Chinese numerals to Arabic numerals
    chinese_to_arabic = {
        '一': '1', '二': '2', '三': '3', '四': '4', '五': '5',
        '六': '6', '七': '7', '八': '8', '九': '9',
        # Add '零': '0', '十': '10' etc. if needed, but replacement logic
        # might need adjustment for compound numbers (e.g., 十一, 二十).
    }

    # Check if the directory exists
    if not os.path.isdir(directory_path):
        print(f"Error: Directory not found at '{directory_path}'")
        return

    print(f"Scanning directory: {directory_path}")
    renamed_files_count = 0
    renamed_dirs_count = 0

    # Iterate over each entry in the directory
    # Use a list copy of listdir result to avoid issues when renaming directories in-place
    try:
        for item_name in list(os.listdir(directory_path)):
            old_item_path = os.path.join(directory_path, item_name)
            is_dir = os.path.isdir(old_item_path)
            is_file = os.path.isfile(old_item_path)

            # Process only files and directories
            if is_file or is_dir:
                # Separate the name from its extension (if it's a file)
                if is_file:
                    name_part, extension = os.path.splitext(item_name)
                else: # It's a directory
                    name_part = item_name
                    extension = "" # Directories don't have extensions in the same way

                new_name_part = name_part
                needs_rename = False

                # Replace each Chinese numeral found in the name part
                for chinese, arabic in chinese_to_arabic.items():
                    if chinese in new_name_part:
                        new_name_part = new_name_part.replace(chinese, arabic)
                        needs_rename = True

                # If any replacements were made, proceed with renaming
                if needs_rename:
                    new_item_name = new_name_part + extension
                    new_item_path = os.path.join(directory_path, new_item_name)

                    # Basic check to prevent overwriting if an item with the new name already exists
                    if os.path.exists(new_item_path):
                        print(f"Warning: Cannot rename '{item_name}' to '{new_item_name}' as the target already exists. Skipping.")
                        continue

                    # Attempt to rename the item
                    try:
                        os.rename(old_item_path, new_item_path)
                        item_type = "Directory" if is_dir else "File"
                        print(f"Renamed {item_type}: '{item_name}' -> '{new_item_name}'")
                        if is_dir:
                            renamed_dirs_count += 1
                        else:
                            renamed_files_count += 1
                    except OSError as e:
                        print(f"Error renaming '{item_name}' to '{new_item_name}': {e}")
                    except Exception as e:
                         print(f"An unexpected error occurred while renaming '{item_name}': {e}")

        print("\nFinished processing.")
        if renamed_files_count > 0:
            print(f"Renamed {renamed_files_count} file(s).")
        if renamed_dirs_count > 0:
             print(f"Renamed {renamed_dirs_count} directorie(s).")
        if renamed_files_count == 0 and renamed_dirs_count == 0:
            print("No files or directories with specified Chinese numerals found or needing rename.")

    except FileNotFoundError:
         print(f"Error: The directory '{directory_path}' was not found.")
    except PermissionError:
         print(f"Error: Permission denied to access or modify items in '{directory_path}'.")
    except Exception as e:
        print(f"An unexpected error occurred: {e}")


# --- Script Execution ---
if __name__ == "__main__":
    # Get the directory path from the user
    if len(sys.argv) > 1:
        target_dir = sys.argv[1] # Use command-line argument if provided
    else:
        target_dir = input("Please enter the full path to the directory: ")

    # Clean up potential quotes from drag-and-drop or copy-paste
    target_dir = target_dir.strip().strip("'\"")

    rename_items_with_chinese_numerals(target_dir)